Game crashes pc for no reason

Jun 1, 2018
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Hi there you all. I've recently experienced a lot of game crashes for no apparent reason. For example, the other day I was playing bf5 and everthing was just fine (no logging/menu issues) until I joined a game and shooted at someone, that's when my pc turned off. I tried playing a game again, and this time I could finish it with no issues, but my pc turned in the end game screen. Later that day I decided to play some far cry 5, and same thing happened, I started story mode and a few seconds in the game, my pc turned off.

I ran all kinds of benchmarks (gpu, cpu, ram and hard drive) and my pc didn't turn off. It makes no sense. I formatted all my hard drives and bf5 kept turning off my computer. I tried running my cpu, ram and gpu at stock speeds but my pc kept turning off. What is going on?????
 
Jun 1, 2018
16
0
10


pc specs: r5 2600 @ 3.9 Ghz, rx 570 8gb, corsair vengeance 8x2 @ 2400 Mhz

I dont think overheating is the issue here. My temps are really low (55 for gpu and 65 for the cpu). As i said, all my components are running at stock speeds (ryzen 5 2600 are meant to run at 3.9Ghz). I tried running gpu, cpu and ram stress test at the same time (i used msi kombustor for the gpu stress test and prime95 for cpu and ram stress test) and my computer crashed. Is it a psu problem? I have a cheap 650 watt psu.